Mercurial > hg4j

comparison src/org/tmatesoft/hg/internal/ConfigFile.java @ 69:5a69397f0f99

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Discovery utility for Hg network protocol finally in the repo, with quick-n-dirty ConfigFile impl that helps to hide auth info
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sat, 22 Jan 2011 22:53:57 +0100
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children 0d279bcc4442
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68:0e499fed9b3d 69:5a69397f0f99
1 /*
2 * Copyright (c) 2011 TMate Software Ltd
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * For information on how to redistribute this software under
14 * the terms of a license other than GNU General Public License
15 * contact TMate Software at support@svnkit.com
16 */
17 package org.tmatesoft.hg.internal;
18
19 import java.io.BufferedReader;
20 import java.io.File;
21 import java.io.FileReader;
22 import java.io.IOException;
23 import java.util.ArrayList;
24 import java.util.Collections;
25 import java.util.LinkedHashMap;
26 import java.util.List;
27 import java.util.Map;
28
29 /**
30 *
31 * @author Artem Tikhomirov
32 * @author TMate Software Ltd.
33 */
34 public class ConfigFile {
35
36 private List<String> sections;
37 private List<Map<String,String>> content;
38
39 public ConfigFile() {
40 }
41
42 public void addLocation(File path) {
43 read(path);
44 }
45
46 public List<String> getSectionNames() {
47 return Collections.unmodifiableList(sections);
48 }
49
50 public Map<String,String> getSection(String sectionName) {
51 int x = sections.indexOf(sectionName);
52 if (x == -1) {
53 return Collections.emptyMap();
54 }
55 return Collections.unmodifiableMap(content.get(x));
56 }
57
58 private void read(File f) {
59 if (sections == null) {
60 sections = new ArrayList<String>();
61 content = new ArrayList<Map<String,String>>();
62 }
63 try {
64 BufferedReader br = new BufferedReader(new FileReader(f));
65 String line;
66 String sectionName = "";
67 Map<String,String> section = new LinkedHashMap<String, String>();
68 while ((line = br.readLine()) != null) {
69 line = line.trim();
70 if (line.length() <= 2) { // a=b or [a] are at least of length 3
71 continue;
72 }
73 int x;
74 if (line.charAt(0) == '[' && line.charAt(line.length() - 1) == ']') {
75 sectionName = line.substring(1, line.length() - 1);
76 if (sections.indexOf(sectionName) == -1) {
77 sections.add(sectionName);
78 content.add(section = new LinkedHashMap<String, String>());
79 } else {
80 section = null; // drop cached value
81 }
82 } else if ((x = line.indexOf('=')) != -1) {
83 String key = line.substring(0, x).trim();
84 String value = line.substring(x+1).trim();
85 if (section == null) {
86 int i = sections.indexOf(sectionName);
87 assert i >= 0;
88 section = content.get(i);
89 }
90 if (sectionName.length() == 0) {
91 // add fake section only if there are any values
92 sections.add(sectionName);
93 content.add(section);
94 }
95 section.put(key, value);
96 }
97 }
98 } catch (IOException ex) {
99 ex.printStackTrace(); // XXX shall outer world care?
100 }
101 ((ArrayList<?>) sections).trimToSize();
102 ((ArrayList<?>) content).trimToSize();
103 assert sections.size() == content.size();
104 }
105 }